\setscript[hanzi]
\setupalign[hanging, hz]

\usemodule[zhfontsext]
\usetypescript[cnfontb]
\setupbodyfont[cnfontb,rm,12pt] % 小四号 = 12pt
\mainlanguage[cn]

\setupinterlinespace[line=4.575ex] %line=3.05ex相当于WORD 中的1.0倍行距, 4.575ex相当于WORD 中的1.5倍行距

\setuppapersize[A4]
\setuplayout[width=fit,height=fit,backspace=10mm,cutspace=10mm,topspace=10mm,margin=10mm,header=10mm,footer=10mm]
\setuppagenumbering[location={header,right},style=\bfb]


\starttext

\underbar {\underdot{\samplefile{ward}}}\blank
\underbars{\underdots{\samplefile{ward}}}\blank

\stoptext